Home / 28,385,326.28-39,171,744.21-15,332,585.33

Finding the Fourth Proportional to 28,385,326.28, 39,171,744.21 and 15,332,585.33

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Solution

The fourth proportional to 28,385,326.28, 39,171,744.21 and 15,332,585.33 is: 21,158,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,385,326.28 : 39,171,744.21 = 15,332,585.33 : x
  2. Step 2: Convert to fraction form
    28,385,326.28/39,171,744.21 = 15,332,585.33/x
  3. Step 3: Cross multiply
    28,385,326.28x = 39,171,744.21 × 15,332,585.33
  4. Step 4: Simplify right side
    28,385,326.28x = 600,604,110,430,467.50
  5. Step 5: Solve for x
    x = 600,604,110,430,467.50/28,385,326.28
  6. Step 6: Final answer
    x = 21,158,964.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.